I. noun
COLLOCATIONS FROM OTHER ENTRIES
a blood sample (= a small amount of blood taken from your body to test )
a random sample
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A test was carried out on a random sample of the cattle.
control group/population/sample etc
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A control group of non-smoking women was compared to four groups of women smokers.
representative sample
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The pollsters asked a representative sample of New York residents for their opinions.
take samples
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Investigators will take samples of the wreckage to identify the cause.
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
free
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And visitors to the stand will be given a free sample of Domestos Multi Surface Cleaner.
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It takes about 10 minutes, and visitors get free samples of crayons and markers.
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I watch three free five-minute samples .
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It was a free sample , an octagonal square of something so salty Lois had felt the glands under her ears harden.
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They'd see a free sample and a temporary escape, and only later would the outlines of the cage become apparent.
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The Webers offer visitors free samples of jerky, and they sometimes fire up breakfast for early comers.
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No free samples are accepted by staff and products to be tested are paid for anonymously.
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The audience applauds enthusiastically and then rushes to get free samples at a stall beside the van.
large
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Many laboratories have cooperated at short notice and are analysing large numbers of samples .
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Lengthy interviews were conducted with a large sample of citizens in each of five countries.
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First, how large does a sample have to be for a given population?
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A very small sample meticulously selected is far better than a large sample carelessly gathered.
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As he points out, N is an important dividing line in statistics generally between large and small samples .
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This observation was the starting point for a study of a large sample of gold-weights from three museums.
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They interviewed this large sample of women about their work histories, current employment and current domestic position.
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Accordingly, where large samples are necessary, the structured or semi-structured format provides a number of advantages.
random
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For instance, suppose we want to take a random sample of ten students from a class of 50.
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The poll was not a random sample and has no margin of error.
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These are: random samples . quota samples.
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The research involves collecting data from two random samples .
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Preliminary studies were undertaken in which random blood samples were obtained from 15 subjects and processed as serum.
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Design - Random sample of 4007 adults interviewed in their own homes.
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Instead, random samples , simple or stratified, are taken for the survey.
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A random sample of households is chosen and every individual 16 years of age and older is interviewed.
representative
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These councils can in no way be seen as a representative sample of all 333 districts.
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In the case of such representative sample , the population parameters can be estimated from the sample values.
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These recent percentile curves are based on large, nationally representative samples of children.
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These samples have been found to be very similar socioeconomically to a representative sample.
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A representative sample of case histories follows.
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In this regard, achieving a representative sample is the objective.
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All employees or a representative sample answered the questionnaire.
small
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This number of letters is approximately 1,700 words and is a relatively small sample set.
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We have tried taking small samples from the idol.
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It next goes to a small sample of the real consumers for testing.
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This information, based on only a small sample , was obtained by telephone interviews or home visits.
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Last weekend's small sample manual count, which showed marked Gore gains, shows that.
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Its weekly figures, based on a smaller sample , are more volatile.
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To base conclusions on such a small sample is unsatisfactory.
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A very small sample meticulously selected is far better than a large sample carelessly gathered.
■ NOUN
blood
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We agree with the recommendation that blood samples should be taken one hour after an intravenous bolus dose.
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The blood sample , if drawn outside Stanford, can be transported to the Palo Alto-based medical center by courier.
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The police took blood samples from just about every male in the vicinity.
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When peak levels of the drug are required, the blood sample must be drawn at a specified time after drug administration.
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After giving a blood sample , she was told that she would have a one-in-50,000 chance of saving a life.
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A second showed Fung carrying a garbage bag containing the blood sample to his van.
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Next she's going to ask me to produce a blood sample .
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They dispense pills, bread and butter to children arriving for school, and take blood samples .
control
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Firstly, however, the crude comparisons between action and control samples in terms of institutionalisation are made.
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There is also the possibility that the action and control samples differed in important characteristics.
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The scheme was evaluated using a matched control sample of cases from adjacent areas.
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Cost differences between action and control samples are shown in Table 6.4.
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The differences between action and control samples at the time of referral was unexpected.
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Because the control sample of people still at home at second assessment was so small, no conclusions are possible.
preparation
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The SE-703 has been designed to replace traditional liquid solvent extraction usually used for sample preparation prior to chromatographic analysis.
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Consistent timing of sample preparation and assay helps to avoid errors due to aggregation and / or settling of particles.
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The sample preparation procedures are the same as those used for radiocarbon dating, care being taken to avoid contamination.
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Circle 140 Roth Scientific introduced two new products for automated, quantitative sample preparation .
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These showed no statistical difference in the concentrations of the various forms of gastrins between the different methods of sample preparation .
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Lesson 3 uses the example of sample preparation from a plant extract.
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The complete automation of sample preparation also increases sample throughput and improves accuracy and precision, especially when working with microlitre volumes.
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The chapter ends with remarks about the sample preparation for synchrotron experiments, a subject of rapidly growing importance.
serum
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In the following experiments, five or six serum samples were used unless indicated otherwise.
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This enzyme. labeled complex competes with free unlabeled drug in the serum sample for the binding sites on the antibody.
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A Holzmann organised and supervised the screening of serum samples for hepatitis.
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The drug in the serum sample and the enzyme. labeled drug compete for the binding sites on the antibody.
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Additional serum samples were taken in December 1990 from a randomly selected cohort of 141 people aged 40-65 years.
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They all died within months of each other, and serum samples were collected and frozen.
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A nasopharyngeal swab or paired serum samples , or both, were collected from healthy subjects.
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A serum sample for diphtheria toxoid antibodies was negative on day 7.
size
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The distribution remains normal but the standard deviation decreases as the square root of n, the sample size .
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Questions of sample size and type are fundamental.
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On the whole, these results are more reliable than those of previous investigations due to the vastly increased sample size .
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Twenty percent of five thousand will only give you a sample size of a thousand.
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The sample size was too small to rule out any differences in survival between patients of different prognostic groups.
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The book is without statistical tables, and sample sizes are small.
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Quite apart from questions of sample size and representativeness, this particular aggregation is wholly inappropriate.
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In this view, sample size becomes meaningless.
survey
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Here one is dealing with social situations which are relatively unexplored and where sample surveys may be quite inappropriate.
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In such cases the issue of representativeness is of less concern than in the sample survey .
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It will use a sample survey and a life history approach.
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The other is collection of information from consumers, using sample surveys .
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This work arose out of a project in which a sample survey program was written specifically for use by developing countries.
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It is concerned with both theoretical and applied aspects, the latter emphasising the use of sample survey data in policy analysis.
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These in turn are based on sample surveys taken in various parts of the country.
urine
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Addition of acetic acid to the urine sample dissolves the salts and clears the urine.
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It was Karen Silkwood who had spiked her own urine samples .
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Subsequent to this investigation we assessed 2907 urine samples from women attending the antenatal clinics in Dundee between November 1990 and September 1992.
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Whenever a patient returned for a clinic visit, a urine sample was collected and was analyzed for ethanol.
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As well as the chatty bit about not forgetting the urine sample , both sides carry advertising.
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All three provided identical urine samples .
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Medical tests conducted later that evening found evidence of cocaine in the mayor's blood and urine samples .
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All three were barred in February for tampering with urine samples during out-of-competition tests.
■ VERB
analyse
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Many laboratories have cooperated at short notice and are analysing large numbers of samples .
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It is therefore necessary to consider other methods of analysing spontaneous speech samples .
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The pitfalls in analysing the samples of anonymised records have not yet become fully clear.
collect
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A water quality officer interprets the information and can instruct Cyclops to collect a sample of the discharge in a sealed container.
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After he died physicians collected and froze samples of his blood and lymph nodes for future study.
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So one night I collected samples from all five and went home for a serious tasting.
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We have collected together a representative sample of these and present them here.
compare
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Further, the cases in question will be compared with a wide sample of cases disposed of under the 1964 Act.
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The resulting tapes would be voice-printed and compared with existing samples .
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He compared the samples with a blood sample from Mr Nichol.
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The methods used will be compared using sample service data.
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To compare his samples , he produced three-dimensional computer models of them.
draw
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In their first study, they drew a sample of 773 babies born in Nottingham in the early 1960s.
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Conclusions are often drawn from small samples and single case studies and findings can rapidly cross boundaries.
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Working with Thirkell, Pilger had drawn up sample pages of a new design, using gobbledegook text except for the headlines.
include
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We will be including a sample copy and an order slip with the November mailing.
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The manual includes sample lesson plans, as well as guidelines on preparing and evaluating writing workshops.
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This includes usable samples of the various macro commands.
obtain
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He obtained a sample of the mould from Fleming, and discovered that it had been incorrectly identified.
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My chairman knows more than anyone how difficult it is to obtain good quality samples of natural conversational data.
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The tree-ring dates are obtained from samples of extremely long-lived trees, such as the bristlecone pine.
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It usually investigates working-class subjects by testing them against norms obtained from middle-class samples .
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In order to obtain a visible sample of teachers, the heads of all nine were therefore approached.
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He obtained the usual samples of horseshoes, some novel instruments, and books on subjects relevant to the veterinary art.
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The target was to obtain a sample of thirty cases, of whatever case category, in each team area.
produce
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In the second case, frothing may be produced as both the sample and the resin outgas together.
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It is great fun experimenting with these patterns and producing some really interesting samples .
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It is therefore important that the procedure used to produce a sample of visitors is not biased by size of group.
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Next she's going to ask me to produce a blood sample .
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This would produce a sample narrative derived from the collected responses which could then be contrasted with the original version.
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This suggests that careful annealing at the appropriate temperature could produce samples with a high degree of crystallinity.
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He's pretty sceptical until we produce the Sanor sample .
provide
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These large juries were clearly intended to provide a reasonably representative sample of popular opinion.
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Schools in three contrasting areas at different stages of developing their planning have been chosen to provide a suitable sample .
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All three provided identical urine samples .
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A scanner attached to the machine can also provide image of the sample .
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Sampling directly from the pancreatic duct provides a more proximate sample for cytological diagnosis and may improve the diagnostic sensitivity.
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Corpora provide a representative sample of language.
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Chapter 3 provides details of the sample of lower attaining pupils used in the programme of testing.
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Some companies will be providing sample bags and a guide to sampling practice to make life a little easier.
select
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The Sample Initially it was intended to select a sample of 800 teachers, 400 from primary and 400 from secondary schools.
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This step begins with selecting an appropriate sample of records to review.
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These criteria were used in selecting the sample .
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The data were gathered for a carefully selected national sample of voters in a survey designed by academic researchers.
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It is individuals who, in one capacity or another, appear on lists used by surveyors to select as their samples .
send
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When the product finally went on to the market, as the Agenda, I was sent a sample which was unusable.
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Perhaps the lab Tucson Water normally sends its samples to reports what Tucson Water wants to hear.
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The government lab urgently asked drugmakers to send samples of every anti-retrovirus drug on their shelves.
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Closing: I am sending along some paper samples as well as our competitive price sheet.
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So if you want to prevent leaks - why not send for a free sample of ultra-absorbent Togs?
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Jurgen sends out sample issues of the newsletter for $ 6.
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Please send me a free sample from the Omega Pet Foods range and further information.
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We then send a sample to Rangoon for tests but his is number three.
take
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This survey data is cross-section data taken from a sample of households at a particular point in time.
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For every fifty cubic yards of concrete, Carlton took four samples and pressed them into plastic cylinders.
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For instance, suppose we want to take a random sample of ten students from a class of 50.
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They dispense pills, bread and butter to children arriving for school, and take blood samples .
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The police took blood samples from just about every male in the vicinity.
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It is quite a good idea to take along samples to a radio interview.
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The new soft plastic probe is designed to take microdialysis samples from soft tissues or blood vessels.
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At the last visit we took biopsy samples .
test
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Do not forget to test the sample piece for washing and pressing ability.
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Once the testing laboratory receives the samples , it will screen them for drugs and then perform confirmation testing to minimize errors.
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Each kit, imported from theUnited States at a cost of $ 980, can test 100 samples .
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The lab will test samples and, within 24 hours, fax the results to inspectors.
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Professional help Doctors: your doctor will talk to you about your problem and will probably test a sample of your urine.
EXAMPLES FROM OTHER ENTRIES
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56% of the women in the sample said that they supported the government's policies.
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She based her analysis on data from a representative sample of women and men aged 18-25.
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These responses were drawn from a random sample of the electorate.
EXAMPLES FROM CORPUS
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Analysis for significance were done using Student's t test for paired samples and the two group t test for unpaired samples.
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Because its characteristics can be treated mathematically it is central to quality control via samples.
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Bile was then collected continuously in 15 minute samples.
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Bill visits public libraries on weekends, converts an underutilized closet into a dark-room, borrows refrigerator space to hold samples.
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Cytogenetic analysis was successful in all placental samples.
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Nevertheless, storage of samples at very high temperatures can be useful.
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The moisture content of wood may be determined simply by weighing a small sample before and after oven drying.
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When oxygen diffuses into the buffer from a sample , it is reduced at the cathode.
II. verb
COLLOCATIONS FROM CORPUS
■ NOUN
chance
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If you don't ever go there, you won't have had the chance of sampling their hot mussels.
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If you want the chance to sample these delights for yourself, enter our competition today!
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Here's your chance to sample them.
delight
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I had been quite looking forward to sampling its unsavoury delights .
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If you want the chance to sample these delights for yourself, enter our competition today!
EXAMPLES FROM OTHER ENTRIES
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I decided to sample the chocolate cheesecake.
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The hotel provides an excellent base from which visitors can sample the delights of scuba diving and waterskiing.
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The results are based on a poll of 1000 randomly sampled adults.
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You should sample the local nightlife while you're here.
EXAMPLES FROM CORPUS
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Mike Rowbottom has been sampling it.
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Next, you will sample a Duo of Foie Gras.
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Second-pass silicon will sample in the third quarter, with mass production coming by the end of the year.
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Then we build our salad, sampling each wild thing as we add it to the big wooden bowl.
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Tim Littler has seen to it that guests will sample some of the great wines of the world with their dinner.
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We are able to sample a few of the tubes by vacuuming the sediment.
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You were on business visiting the offices where she works and decided to sample the food in the canteen.